248 lines
4.1 KiB
Markdown
248 lines
4.1 KiB
Markdown
# soma.md
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Qui comprendiamo:
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- BEH-SOMA: il soma
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## BEH-SOMA: Container
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**Simplified behaviors**:
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— ms:
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- Resting at -70 mV: Leak channels + pumps (keep at resting)
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-- ?
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- VDB Depolarization : ~1-2 ms: Na⁺ enters (some VGSCs open)
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- Opened VGSC remain closed for a refractory period
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Spike if depolarized above threshold: to -50 mV
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-- Here the threshold is based only on the integration of Na+
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-- The threshold is tuned during the spiketrain. Low threshold at rest, to increase sensitivity, threshold increase during spike to increase discrimination
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-- increase SpikeTrainTraces (fast at spike)
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-- increase Ca2+ traces
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- Repolarization to -70 mV: ~1-2 ms: K⁺ exits (VG K⁺ channels open) ← NOT pumps!
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-- fast pump which decreases Na+, we do not model K+
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- After-hyperpolarization: ~5-20 ms: K⁺ channels still open
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-- must figure out how to deal with deoplarization
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-- decrease SpikeTraintraces slow, only if away from spiketrain this is empty
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— seconds:
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- Return to exact -70 mV: ~100-1000 ms: Na⁺/K⁺ pumps restore gradients
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-- slow pump
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- Ca2+ accumulation: SpikeTrainTraces
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-- ?
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— mins:
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- VGSC modulation
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---
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**Tubs:**
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- **VDB**: dendrites deliver current
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- **Na**: are a proxy for the Coulombs of charge building up on the somatic membrane. They are used to check threshold, but also to mimic Na+ and K+ pumping
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- **AP**:
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- **bAP**:
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- **Ca2+**: Medium term traces to guide tuning and Night development
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- **SpikeTrainTraces**: sono le tracce che consentono al neurone di far partire il Tuning neuronale, quando e' lontano da uno spike-train, ovvero e' in riposo.
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---
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```Gen
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container: BEH-SOMA
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expansion:
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- VGSC-SOMA ( fullness: 50x, active: 20x, emptiness: 10x )
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# modulated_by: TUN-SOMA-VCGG # possible/actual
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tub_local:
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- VDB
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- Na
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- AP
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- bAP
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- Ca2+
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tub_intricated:
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- SpikeTrainTraces ( contained_in: DAY-N )
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```
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### ms: behaviors SOMA
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#### CheckVDB: Context
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As dendrites deliver current (VDB), the soma acts like a capacitor. It "stores" this charge in the form of membrane potential. VSOMA is proxy for the Coulombs of charge building up on the somatic membrane.
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Contestualizziamo in maniera Fixed?
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```Gen
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context: CheckVDB
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contained_by: BEH-SOMA
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in_context: Fixed
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rf: ( active: 60x )
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condition: (VDB fullness)
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out_context: VDBMax
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condition: (VDB mediumness)
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out_context: VDBMedium
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condition: (VDB emptiness)
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out_context: VDBLow
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```
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##### AddVSOMAMax: Episode
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```Gen
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episode: AddVSOMAMax
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contained_by: BEH-SOMA
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in_context: VDBMax
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rf: ( active: 2x )
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hypothesis: NOT (VSOMA full)
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action: [VSOMA increase]
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trace:
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```
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##### AddVSOMAMed: Episode
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```Gen
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episode: AddVSOMAMed
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contained_by: BEH-SOMA
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in_context: VDBMedium
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rf: ( active: 4x )
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hypothesis: NOT (VSOMA full)
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action: [VSOMA increase]
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trace:
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```
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##### AddVSOMALow: Episode
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```Gen
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episode: AddVSOMALow
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contained_by: BEH-SOMA
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in_context: VDBLow
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rf: ( active: 8x )
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hypothesis: NOT (VSOMA full)
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action: [VSOMA increase]
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trace:
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```
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#### SomaSpike: Episode
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```Gen
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episode: SomaSpike
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contained_by: BEH-SOMA
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in_context:
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rf: ( active: 8x )
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hypothesis:
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action:
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trace:
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```
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#### ClearVSOMA: Episode
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```Gen
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episode: ClearVSOMA
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contained_by: BEH-SOMA
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in_context:
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rf: ( active: 8x )
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hypothesis:
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action:
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trace:
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```
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### sec: behaviors SOMA
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### min: behaviors SOMA
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#### TUN-SOMA-VCGG: Tuner
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```Gen
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tuner: VGSC-SOMA-TUN
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contained_by: SOMA
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tunes: SOMA/expansion/VGSC-SOMA
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context_intricated:
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- TunPossible ( contained_by: DAY-N )
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tub_local:
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tub_intricated:
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```
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##### Context
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```Gen
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context: Check
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contained_by: TUN-SOMA-VCGG
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in_context: TunPossible
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rf: ( active: 60x )
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condition:
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out_context: TunSomaVcgg
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```
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##### Episode
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```Gen
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episode: ?
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contained_by: TUN-PRE-VGCC
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in_context: TunSomaVcgg
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rf: ( active: x )
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hypothesis:
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action:
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trace:
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```
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## VGSC-SOMA: Container
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Voltage Gated Sodium Channel
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```Gen
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container: VGSC-SOMA
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```
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### ms: behaviors SOMA-VGSC
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#### Episode1
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```Gen
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episode: ??
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contained_by: VGSC-SOMA
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in_context: xxx
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rf: ( active: 1x )
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hypothesis:
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action:
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trace: None
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```
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##
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